TAILIEUCHUNG - Lecture Computer literacy - Lecture 02: Learning about parts of computer

After studying this chapter you will be able to understand: Input devices (contd.), interfacing with the computer using mouse & keyboard, output devices, storage devices, understanding of Central Processing Unit (CPU), How do computers work? | Learning About Parts of Computer ADE100- Computer Literacy Lecture 02 Knowledge test What is computer? Briefly explain role of Charles Babbage. What is the purpose of input devices? What is the role of Joystick & OCR? Topics covered Input devices (contd.) Interfacing with the computer using mouse & keyboard Output devices Storage devices Understanding of Central Processing Unit (CPU) How do computers work? What is input? Any data or instructions used by a computer Types of input: Data- text form Instructions- particular commands Voice- audio signals through microphone Image- inserting a picture The Keyboard How keyboard works? Keyboard controller (a tiny chip) detects a key pressed and places a code into its memory called buffer (a temporary memory area). Controller sends a code to the CPU Code represents the key pressed Controller sends a signal to the operating system Operating system responds Controller repeats the letter if held 5 Teaching tip Table presents the ASCII code. .

• Tin học văn phòng
• Computer Literacy
• Lecture Computer literacy
• Computer science
• Introduction to computers
• Computer applications
• Central Processing Unit
• Computer Networks
• Computer Ethics
• Transferring images
• Operating system software
• Operating system
• Folder properties
• Storage devices
• Working with tables
• Advanced features
• Using Productivity Application
• Formatting cells
• Doing mathematics
• Print properties
• Microsoft PowerPoint
• Assignment presentation
• Saving Web Resources
• Communication through internet